Suppose the radius is r and the bearings of the two points, P and Q are p and q respectively.
Then
the coordinates of P are [r*cos(p), r*sin(p)] and
the coordinates of Q are [r*cos(q), r*sin(q)].
The distance between these two points can be found, using Pythagoras:
d2 = (xq - xp)2 + (yq - yp)2
where xp is the x-coordinate of P, etc.
Not at all! The circumference is the length of the boundary of a circle. A chord is a straight line(or a line segment) that passes through two points on the boundary of a circle (or on a curve).
A Koch curve has INFINITE length.
The radius of curvature of a circle, or an arc of a circle is the same as the radius of the circle.For a curve (other than a circle) the radius of curvature at a given point is obtained by finding a circular arc that best fits the curve around that point. The radius of that arc is the radius of curvature for the curve at that point.The radius of curvature for a straight line is infinite.
It is a straight line that touches the curve such that the line is perpendicular to the radius of the curve at the point of contact.
Because it is still length. It is measured along a curve (arc), rather than a straight line. It can be found by multiplying the arc angle (in radians) by the radius. So a complete circle has an angle of 2*pi radians. Multiply this by the radius and you have 2*pi*radius, which is the circumference of a circle (measured in units, not square units).
R = radius c = chord length s = curve length c = 2Rsin(s/2R) you can solve for radius by trial and error as this is a transcendental equation
No, it is not. A chord is a line segment. It cannot have a length of zero. A point has no dimensions. The chord of a circle is a line segment that has its endpoints (both of them) on the curve (or circumference) of the circle.
First, divide 180 by pi (3.14159).Multiply that answer by 100.You should have approximately 5729.5779514.This result we will refer to as the Circular Ratio.Divide the Circular Ratio by the Radius of the curve.The answer is The Degree Of Curvature for that curve.Graphically: measure the angle it takes to make a curve 100 feet long.That angle is The Degree Of Curvature for that curve.
Not at all! The circumference is the length of the boundary of a circle. A chord is a straight line(or a line segment) that passes through two points on the boundary of a circle (or on a curve).
Treat the sole as a rectangle. measure length and width. If there is a curve, estimate center of curvature. measure radius. measure length of curve in arc lengths. Determine number of radians. use formula for cylinder, replacing 2 (pi) with number of radians. Subtract length of shoe by the length of curve in the sole. Calculate area
Technically yes; a curve with infinite radius.Technically yes; a curve with infinite radius.Technically yes; a curve with infinite radius.Technically yes; a curve with infinite radius.
A Koch curve has INFINITE length.
The radius of curvature of a circle, or an arc of a circle is the same as the radius of the circle.For a curve (other than a circle) the radius of curvature at a given point is obtained by finding a circular arc that best fits the curve around that point. The radius of that arc is the radius of curvature for the curve at that point.The radius of curvature for a straight line is infinite.
If you take two distinct points on a curve, the arc is the part of the curve connecting the two points while the chord is the straight line connecting them.
It is easier to turn along a curve path of larger radius because the wider turn allows for smoother and less abrupt changes in direction. On the other hand, a curve path with a shorter radius requires sharper turns, which can lead to a higher likelihood of skidding or losing control. Additionally, the centrifugal force experienced when turning on a curve with a larger radius is less pronounced compared to a curve with a shorter radius.
The question, as stated, does not make sense.The radius (not raduis) of curvature of a curve at a point is the radius of the arc of a circle which approximates the curve in the immediate vicinity of the point.
1. Chord length and rise: Three points determine a circle, so if you measure the distance between two points on the circle, then go perpendicular to that line from the center of the line and measure the distance to the third point on the circle, you can calculate the radius. If the first distance is 2*a (divide it by 2 to get a), and the second distance is b, the rise of the arc 2*a Then the radius is r = (a^2 + b^2)/(2b). - Pythagoras Theorem I calculated this by putting the intersection of the chord and line at (0,0) and plotting your three points as, (-a, 0), (a, 0), and (0, b). And then plugging those into the general form of the equation for a circle, namely (x - h)^2 + (y - k)^2 = r^2. I got h = 0, k = (b^2 - a^2)/(2b), and r = (a^2 + b^2)/(2b). You could use this technique. If you don't have the length a (or 2a) but you have the length of the curved side (arc length, say c) (This is what you asked - Radius from Arc length and rise) then you have a much harder equation to solve for r: 2br = (sin [c/(2r)])^2 + b^2. But be warned that these computations assume that your curve is a portion of a circle. If it is some other curve, then there is no radius.